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<div class="title">TensorAllocator.h</div>  </div>
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<a href="_tensor_allocator_8h.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2016-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * of this software and associated documentation files (the &quot;Software&quot;), to</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#ifndef __ARM_COMPUTE_TENSORALLOCATOR_H__</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#define __ARM_COMPUTE_TENSORALLOCATOR_H__</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_i_tensor_allocator_8h.xhtml">arm_compute/runtime/ITensorAllocator.h</a>&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_memory_8h.xhtml">arm_compute/runtime/Memory.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearm__compute.xhtml">arm_compute</a></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;{</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">class </span>Coordinates;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">class </span>TensorInfo;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">class </span>Tensor;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span>&gt;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">class </span>MemoryGroupBase;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">using</span> <a class="code" href="namespacearm__compute.xhtml#a0e7a03e2e133cb1fbb12517a3f646a09">MemoryGroup</a> = MemoryGroupBase&lt;Tensor&gt;;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classarm__compute_1_1_tensor_allocator.xhtml">   44</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> : <span class="keyword">public</span> <a class="code" href="classarm__compute_1_1_i_tensor_allocator.xhtml">ITensorAllocator</a></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;{</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a20c11f37f59a434b1dd0b69f62771ac6">TensorAllocator</a>(<a class="code" href="classarm__compute_1_1_tensor.xhtml">Tensor</a> *owner = <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a27f8b115e4571d52d83419aaea4eeee1">~TensorAllocator</a>();</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a20c11f37f59a434b1dd0b69f62771ac6">TensorAllocator</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;<a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a943854ce6f3aafac2714340e0915de75">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a20c11f37f59a434b1dd0b69f62771ac6">TensorAllocator</a>(<a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;&amp;) noexcept;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;<a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a943854ce6f3aafac2714340e0915de75">operator=</a>(<a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;&amp;) noexcept;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">using</span> <a class="code" href="classarm__compute_1_1_i_tensor_allocator.xhtml#aa72161e0e3c0f6b2da20f835de6af680">ITensorAllocator::init</a>;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a3014ce2f4215e8a44331aa5daf3ba0d4">init</a>(<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml">TensorAllocator</a> &amp;allocator, <span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_coordinates.xhtml">Coordinates</a> &amp;coords, <a class="code" href="classarm__compute_1_1_tensor_info.xhtml">TensorInfo</a> sub_info);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    uint8_t *<a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a738d0f4e90cfddb07316f368a855e50b">data</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a6e509c2a177b0b29e9e2369535094dee">allocate</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a1468b0adb6ec3f9d38aa7d60b8a91974">free</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <a class="code" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a1100744b8850c28ee06092d65dcf95d0">import_memory</a>(<a class="code" href="classarm__compute_1_1_memory.xhtml">Memory</a> memory);</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarm__compute_1_1_tensor_allocator.xhtml#a89ee265e94df4e8aaf4f465649d4e065">set_associated_memory_group</a>(<a class="code" href="classarm__compute_1_1_memory_group_base.xhtml">MemoryGroup</a> *associated_memory_group);</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    uint8_t *lock() <span class="keyword">override</span>;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="keywordtype">void</span> unlock() <span class="keyword">override</span>;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <a class="code" href="classarm__compute_1_1_memory_group_base.xhtml">MemoryGroup</a> *_associated_memory_group; </div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <a class="code" href="classarm__compute_1_1_memory.xhtml">Memory</a>       _memory;                  </div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <a class="code" href="classarm__compute_1_1_tensor.xhtml">Tensor</a>      *_owner;                   </div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;};</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;}</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* __ARM_COMPUTE_TENSORALLOCATOR_H__ */</span><span class="preprocessor"></span></div><div class="ttc" id="classarm__compute_1_1_memory_xhtml"><div class="ttname"><a href="classarm__compute_1_1_memory.xhtml">arm_compute::Memory</a></div><div class="ttdoc">CPU implementation of memory object. </div><div class="ttdef"><b>Definition:</b> <a href="_memory_8h_source.xhtml#l00035">Memory.h:35</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml">arm_compute::TensorAllocator</a></div><div class="ttdoc">Basic implementation of a CPU memory tensor allocator. </div><div class="ttdef"><b>Definition:</b> <a href="_tensor_allocator_8h_source.xhtml#l00044">TensorAllocator.h:44</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a1100744b8850c28ee06092d65dcf95d0"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a1100744b8850c28ee06092d65dcf95d0">arm_compute::TensorAllocator::import_memory</a></div><div class="ttdeci">arm_compute::Status import_memory(Memory memory)</div><div class="ttdoc">Import an existing memory as a tensor&amp;#39;s backing memory. </div></div>
<div class="ttc" id="classarm__compute_1_1_status_xhtml"><div class="ttname"><a href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a></div><div class="ttdoc">Status class. </div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00051">Error.h:51</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a0e7a03e2e133cb1fbb12517a3f646a09"><div class="ttname"><a href="namespacearm__compute.xhtml#a0e7a03e2e133cb1fbb12517a3f646a09">arm_compute::MemoryGroup</a></div><div class="ttdeci">MemoryGroupBase&lt; Tensor &gt; MemoryGroup</div><div class="ttdoc">Memory Group. </div><div class="ttdef"><b>Definition:</b> <a href="_memory_group_8h_source.xhtml#l00034">MemoryGroup.h:34</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml"><div class="ttname"><a href="namespacearm__compute.xhtml">arm_compute</a></div><div class="ttdoc">This file contains all available output stages for GEMMLowp on OpenCL. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00001">00_introduction.dox:1</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a27f8b115e4571d52d83419aaea4eeee1"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a27f8b115e4571d52d83419aaea4eeee1">arm_compute::TensorAllocator::~TensorAllocator</a></div><div class="ttdeci">~TensorAllocator()</div><div class="ttdoc">Default destructor. </div></div>
<div class="ttc" id="classarm__compute_1_1_coordinates_xhtml"><div class="ttname"><a href="classarm__compute_1_1_coordinates.xhtml">arm_compute::Coordinates</a></div><div class="ttdoc">Coordinates of an item. </div><div class="ttdef"><b>Definition:</b> <a href="_coordinates_8h_source.xhtml#l00037">Coordinates.h:37</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a6e509c2a177b0b29e9e2369535094dee"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a6e509c2a177b0b29e9e2369535094dee">arm_compute::TensorAllocator::allocate</a></div><div class="ttdeci">void allocate() override</div><div class="ttdoc">Allocate size specified by TensorInfo of CPU memory. </div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a20c11f37f59a434b1dd0b69f62771ac6"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a20c11f37f59a434b1dd0b69f62771ac6">arm_compute::TensorAllocator::TensorAllocator</a></div><div class="ttdeci">TensorAllocator(Tensor *owner=nullptr)</div><div class="ttdoc">Default constructor. </div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_xhtml"><div class="ttname"><a href="classarm__compute_1_1_tensor.xhtml">arm_compute::Tensor</a></div><div class="ttdoc">Basic implementation of the tensor interface. </div><div class="ttdef"><b>Definition:</b> <a href="runtime_2_tensor_8h_source.xhtml#l00037">Tensor.h:37</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a1468b0adb6ec3f9d38aa7d60b8a91974"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a1468b0adb6ec3f9d38aa7d60b8a91974">arm_compute::TensorAllocator::free</a></div><div class="ttdeci">void free() override</div><div class="ttdoc">Free allocated CPU memory. </div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a89ee265e94df4e8aaf4f465649d4e065"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a89ee265e94df4e8aaf4f465649d4e065">arm_compute::TensorAllocator::set_associated_memory_group</a></div><div class="ttdeci">void set_associated_memory_group(MemoryGroup *associated_memory_group)</div><div class="ttdoc">Associates the tensor with a memory group. </div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a738d0f4e90cfddb07316f368a855e50b"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a738d0f4e90cfddb07316f368a855e50b">arm_compute::TensorAllocator::data</a></div><div class="ttdeci">uint8_t * data() const </div><div class="ttdoc">Returns the pointer to the allocated data. </div></div>
<div class="ttc" id="classarm__compute_1_1_memory_group_base_xhtml"><div class="ttname"><a href="classarm__compute_1_1_memory_group_base.xhtml">arm_compute::MemoryGroupBase&lt; Tensor &gt;</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_tensor_allocator_xhtml_aa72161e0e3c0f6b2da20f835de6af680"><div class="ttname"><a href="classarm__compute_1_1_i_tensor_allocator.xhtml#aa72161e0e3c0f6b2da20f835de6af680">arm_compute::ITensorAllocator::init</a></div><div class="ttdeci">void init(const TensorInfo &amp;input)</div><div class="ttdoc">Initialize a tensor based on the passed TensorInfo. </div></div>
<div class="ttc" id="_memory_8h_xhtml"><div class="ttname"><a href="_memory_8h.xhtml">Memory.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a3014ce2f4215e8a44331aa5daf3ba0d4"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a3014ce2f4215e8a44331aa5daf3ba0d4">arm_compute::TensorAllocator::init</a></div><div class="ttdeci">void init(const TensorAllocator &amp;allocator, const Coordinates &amp;coords, TensorInfo sub_info)</div><div class="ttdoc">Shares the same backing memory with another tensor allocator, while the tensor info might be differen...</div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_info_xhtml"><div class="ttname"><a href="classarm__compute_1_1_tensor_info.xhtml">arm_compute::TensorInfo</a></div><div class="ttdoc">Store the tensor&amp;#39;s metadata. </div><div class="ttdef"><b>Definition:</b> <a href="_tensor_info_8h_source.xhtml#l00045">TensorInfo.h:45</a></div></div>
<div class="ttc" id="_i_tensor_allocator_8h_xhtml"><div class="ttname"><a href="_i_tensor_allocator_8h.xhtml">ITensorAllocator.h</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_tensor_allocator_xhtml"><div class="ttname"><a href="classarm__compute_1_1_i_tensor_allocator.xhtml">arm_compute::ITensorAllocator</a></div><div class="ttdoc">Interface to allocate tensors. </div><div class="ttdef"><b>Definition:</b> <a href="_i_tensor_allocator_8h_source.xhtml#l00035">ITensorAllocator.h:35</a></div></div>
<div class="ttc" id="classarm__compute_1_1_tensor_allocator_xhtml_a943854ce6f3aafac2714340e0915de75"><div class="ttname"><a href="classarm__compute_1_1_tensor_allocator.xhtml#a943854ce6f3aafac2714340e0915de75">arm_compute::TensorAllocator::operator=</a></div><div class="ttdeci">TensorAllocator &amp; operator=(const TensorAllocator &amp;)=delete</div><div class="ttdoc">Prevent instances of this class from being copy assigned (As this class contains pointers) ...</div></div>
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